红叶二级水电站引水隧洞2号支洞下游塌方段处理。
Collapse treatment in section of Hongye-2 Hydroelectric Power Station headrace tunnel downstream of adit No.
报道马坝人地点南支洞次生碳酸盐岩和骨化石样的铀系年代。
This paper reports the U-series dating results of calcites and mammalian fossils from Southern Branch Cave of Maba hominid site.
介绍重庆世贸中心深基坑和临梯干道支洞人防工程的岩石间壁处理方法。
The processing method on rock wall between foundation pit of Chongqing World Trade Center and the branch opening of main line of Linti tunnel is introduced.
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